Raymond Francis¹, Kathryn Stack², Kenneth H Williford³, Nicole Spanovich², Marshall Trautman⁴, Christy Marie Caudill⁵, Vivian Zheng Sun⁶, Sarah Milkovich⁷, William Abbey², Michael J Lawson⁸ and Daniel Cahn Nunes³, (1)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (3)Jet Propulsion Laboratory, Pasadena, CA, United States, (4)Occidental College, Los Angeles, CA, United States, (5)Arizona Geological Survey, Tucson, AZ, United States, (6)Brown University, Providence, RI, United States, (7)Jet Propulsion Laboratory, Pasadena, United States, (8)University of California Los Angeles, Los Angeles, CA, United States